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Lead Octoate
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Lead Octoate is a viscous liquid solution containing 30% lead octoate, a metal soap derived from lead and 2-ethylhexanoic acid (also known as octanoic acid). It is primarily used as a drying agent (drier) in paints, varnishes, and coatings to accelerate the curing process by promoting oxidation and polymerization of drying oils. This product is widely employed in industrial coatings to improve drying times, hardness, and durability of surface films. Packaged typically in 250kg drums, Lead Octoate 30% is handled with care due to the toxic nature of lead compounds.
Description
Lead Octoate
Primary Uses
- Paints and Coatings Industry
- Functions as a primary drier in alkyd, oil-based, and other air-drying paints and varnishes to accelerate surface drying.
- Enhances hardness, gloss, and adhesion of coatings by promoting oxidative cross-linking of oils.
- Used in industrial, automotive, and marine coatings where fast drying and durability are essential.
- Ink Manufacturing
- Applied as a drying agent in printing inks, especially those based on oils or alkyd resins.
- Rubber and Plastics Industry
- Used as a catalyst for curing and processing rubber compounds and some plastic formulations.
Secondary Uses
- Leather Finishing
- Occasionally used as a catalyst in leather finishing formulations to improve drying and film formation.
- Adhesives and Sealants
- Acts as a curing accelerator in certain adhesive and sealant products involving oil-based components.
- Chemical Intermediates
- Employed in small quantities in chemical syntheses involving metal soaps and organometallic catalysts.
KEY PRODUCT FEATURES
1. Basic Identification Attributes
- Chemical Name (IUPAC): Lead(II) 2-ethylhexanoate (solution in oil or solvent)
- Common/Trade Name: Lead Octoate 30%
- CAS Number: 301-04-2 (Lead 2-ethylhexanoate)
- HS Code: 3824.90.00
- Synonyms: Lead 2-ethylhexanoate; Lead octanoate; Lead metal soap; Lead drying agent
2. Physical & Chemical Properties
- Physical State: Viscous liquid
- Color & Odor: Pale yellow to amber; characteristic mild odor
- Solubility: Insoluble in water; soluble in oils and organic solvents
- Density: Approximately 1.1 – 1.2 g/cm³ (varies by formulation)
- Flash Point: Depends on solvent content, typically above 100 °C (may vary)
3. Safety & Hazard Attributes
- GHS Classification: Toxic (Category 1); Skin sensitizer; Hazardous to aquatic environment
- Toxicity: Highly toxic due to lead content; harmful if inhaled, ingested, or absorbed through skin
- Exposure Limits: OSHA PEL for lead compounds: 50 µg/m³ (airborne lead)
4. Storage & Handling Attributes
- Storage Conditions: Store in tightly sealed containers in a cool, dry, well-ventilated area away from heat, sparks, and open flames
- Container Type: 250kg steel or plastic drums designed for hazardous liquids
- Shelf Life: Typically 12-24 months if stored properly
- Handling Precautions: Use full PPE including gloves, goggles, and respiratory protection; avoid skin contact and inhalation of vapors
5. Regulatory & Compliance Attributes
- Subject to strict regulations for lead compounds under OSHA, REACH, and EPA
- Labeling required for toxic, hazardous, and environmental risks
- Usage restricted or phased out in some regions due to lead toxicity concerns
6. Environmental & Health Impact
- Biodegradability: Not biodegradable
- Ecotoxicity: Highly toxic to aquatic life with long-lasting effects
- Bioaccumulation: Lead compounds bioaccumulate in organisms, causing environmental hazards
- Carcinogenicity/Mutagenicity: Lead is classified as a probable human carcinogen
SAFETY HANDLING PRECAUTIONS
Safety Handling Precautions
- PPE Required: Chemical-resistant gloves, safety goggles, protective clothing, and respirators in poorly ventilated areas
- Handling Guidelines: Use in well-ventilated spaces; avoid inhalation, ingestion, and skin contact; follow strict hygiene practices
- Storage Measures: Store away from incompatible substances like acids, oxidizers, and moisture
First Aid Measures
- Inhalation: Move to fresh air immediately; seek medical attention if symptoms persist
- Skin Contact: Wash affected area with soap and water thoroughly; seek medical advice if irritation occurs
- Eye Contact: Rinse eyes with plenty of water for 15 minutes; get medical help
- Ingestion: Do not induce vomiting; rinse mouth and seek urgent medical attention
Firefighting Measures
- Fire Hazards: Not highly flammable but may ignite under certain conditions due to solvent content
- Extinguishing Media: Use foam, dry chemical, or carbon dioxide extinguishers
- Special Precautions: Firefighters should wear full protective gear and self-contained breathing apparatus
- Hazardous Combustion Products: May produce lead oxides and toxic fumes upon combustion
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Calcium Octoate 10% is an aqueous solution containing 10% calcium octoate, a calcium salt of 2-ethylhexanoic acid (octanoic acid). It is a white to pale yellow liquid, soluble in water, known primarily as a metal carboxylate used as a drying agent and corrosion inhibitor. It functions as a calcium-based drier in coatings, paints, varnishes, and printing inks to accelerate the curing process by catalyzing the oxidation and polymerization of drying oils. Due to its stability and efficacy at low concentrations, it is widely preferred as a non-toxic alternative to traditional lead or cobalt-based driers.
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